Háizi pà hēi, wǒmen gěi tā zài fángjiān lǐ zhuāng le ge xiǎo yèdēng.
Our kid is afraid of the dark, so we put a little night light in his room.
Zhèzhǒng gǎnyìng yèdēng rén zǒujìn lái cái liàng, tǐng fāngbiàn.
This motion-sensor night light only turns on when someone walks up — pretty handy.